170828620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449549}}^1$

素因数の和:449577

約数の個数: 24

約数和(自身を含む): 377622000

約数和(自身を除く): 206793380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 449549, 899098, 1798196, 2247745, 4495490, 8541431, 8990980, 17082862, 34165724, 42707155, 85414310, 170828620]

約数ペア:

[(1, 170828620), (2, 85414310), (4, 42707155), (5, 34165724), (10, 17082862), (19, 8990980), (20, 8541431), (38, 4495490), (76, 2247745), (95, 1798196), (190, 899098), (380, 449549)]